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14450314421 = 25577564973
BaseRepresentation
bin11010111010100111…
…00100110010110101
31101022001211000211102
431131103210302311
5214043240030141
610345520215445
71021043434364
oct153523446265
941261730742
1014450314421
11614590a114
12297346a585
1314939b8a0a
149b12177db
1559893499b
hex35d4e4cb5

14450314421 has 4 divisors (see below), whose sum is σ = 14450904972. Its totient is φ = 14449723872.

The previous prime is 14450314399. The next prime is 14450314423. The reversal of 14450314421 is 12441305441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12441305441 = 79157484879.

It can be written as a sum of positive squares in 2 ways, for example, as 380796196 + 14069518225 = 19514^2 + 118615^2 .

It is a cyclic number.

It is not a de Polignac number, because 14450314421 - 218 = 14450052277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14450314423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256910 + ... + 308063.

It is an arithmetic number, because the mean of its divisors is an integer number (3612726243).

Almost surely, 214450314421 is an apocalyptic number.

It is an amenable number.

14450314421 is a deficient number, since it is larger than the sum of its proper divisors (590551).

14450314421 is an equidigital number, since it uses as much as digits as its factorization.

14450314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590550.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 14450314421 its reverse (12441305441), we get a palindrome (26891619862).

The spelling of 14450314421 in words is "fourteen billion, four hundred fifty million, three hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 25577 564973 14450314421